I will sound negative on purpose, I wish to be wrong. Everything so far in my life seems to be "if you want to be good at something, do that thing repeatedly,

I will sound negative on purpose, I wish to be wrong. Everything so far in my life seems to be "if you want to be good at something, do that thing repeatedly, or the parts that compose that thing, repeatdly". It makes sense. So why would this be any different, wouldn't use your brain to learn, be the best cognitive exercise?